639406688 (number)

639406688 is an even 9-digits composite number following 639406687 and preceding 639406689. In scientific notation, it is written as 6.39406688 × 10^8. The sum of its digits is 50. It has a total of 7 prime factors and 24 positive divisors. There are 315199360 positive integers (up to 639406688) that are relatively prime to 639406688.

Interesting facts

Basic properties

Name

Name six hundred thirty-nine million four hundred six thousand six hundred eighty-eight

Notation

Scientific notation 6.39406688 × 10^8
Engineering notation 6.39406688 × 10^6

Prime Factorization of 639406688

Prime Factorization 2 × 2 × 2 × 2 × 2 × 71 × 281429

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 39962918
Product of the distinct prime numbers

The prime factorization of 639406688 is 2 × 2 × 2 × 2 × 2 × 71 × 281429. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 639406688)

Multiplication

n×y
n×2 1278813376
n×3 1918220064
n×4 2557626752
n×5 3197033440

Division

n÷y
n÷2 319703344
n÷3 213135562.66667
n÷3 159851672
n÷5 127881337.6

Exponentiation

ny
n2 408840912659129344
n3 2.6141561388227E+26
n4 1.6715089186395E+35
n5 1.0687739816297E+44

Nth Root

y√n
2√n 25286.492204337
3√n 861.50749118785
4√n 159.0172701449
5√n 57.697292626858

Divisors of 639406688

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -639406687
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 639406688 can be divided by 24 positive divisors. The sum of these divisors (counting 639406688) is 1, the average is 0.041666666666667.

Base conversion 639406688

Base System Value
2 Binary 100110000111001001001001100000
3 Ternary 1122120011020002012
4 Quaternary 212013021021200
5 Quinary 2302142003223
6 Senary 143240412052
8 Octal 4607111140
10 Decimal 639406688
12 Duodecimal 15a177028
16 Hexadecimal 261c9260
20 Vigesimal 9jg5ge8
36 Base36 akopcw

Cryptographic Hash Functions

md5 7eb9508c5c68b4441a53cfb28ce24c75
sha1 6f3652f1d6df413d378b1e38f41351aa7c33427d
sha256 2c10fa4975cdb10a0d8cbca061f5a7b0006ff91ebcaac66ca3bd3b1333379532
sha512 2062df202ca7860252ed8d4700595a2f3321ab496e8bbd3e229776285ba3aceefcb026922af03c6862e64c210e89aca294ae1f12af7e4acab7179e6a81342df8
ripemd-160 4585b408c1026738706e9b9cb9e1edfa71afd27b

639406688 as geometric shapes

Circle

Radius = n
Diameter 1278813376
Circumference 4017510707.354
Area 1.2844116076969E+18

Sphere

Radius = n
Volume 1.0950151628083E+27
Surface area 5.1376464307875E+18
Circumference 4017510707.354

Square

Length = n
Perimeter 2557626752
Area 408840912659129344
Diagonal 904257610.04166

Cube

Length = n
Surface area 2453045475954776064
Volume 2.6141561388227E+26
Space diagonal 1107484870.3153

Equilateral Triangle

Length = n
Perimeter 1918220064
Area 1.7703330823461E+17
Altitude 553742435.15767

Triangular Pyramid

Length = n
Surface area 1.7703330823461E+17
Volume 3.0808125547366E+25
Height 301419203.34722